Remake the sleep timer menu item, so that selecting it while the timer is running
just cancels that one (displayed text is changed accordingly and
displays te remaining time).
Selecting it again allows to set a new time.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30778 a1c6a512-1295-4272-9138-f99709370657
3 files changed